The Lusk Herald, January 5, 1961

"Notice: Independent Refinery now operating under the Sioux Oil Co.

As of December 6, the Independent Refinery Service Station and Bulk Business was purchased from Jennings Ruffing by the Sioux Oil Co. and is now being managed by Charles Smith.

We also wish to call attention to our customers, that all checks payable to accounts be made out to Sioux Oil Co.

Charles Smith, Mgr. "

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The Lusk Herald, February 9, 1967

Jim Pennington of Pennington Trucking has purchased the Sioux Service east of Lusk, effective February 1.